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Finding the Fourth Proportional to 18,910.50, 26,096.49 and 10,526.82

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Solution

The fourth proportional to 18,910.50, 26,096.49 and 10,526.82 is: 14,527.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910.50 : 26,096.49 = 10,526.82 : x
  2. Step 2: Convert to fraction form
    18,910.50/26,096.49 = 10,526.82/x
  3. Step 3: Cross multiply
    18,910.50x = 26,096.49 × 10,526.82
  4. Step 4: Simplify right side
    18,910.50x = 274,713,052.86
  5. Step 5: Solve for x
    x = 274,713,052.86/18,910.50
  6. Step 6: Final answer
    x = 14,527.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.